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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index c13ab4fd36b9..94b017ee9aa3 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -7923,15 +7923,21 @@ lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
static inline uint32_t
lpfc_sli4_scmd_to_wqidx_distr(struct lpfc_hba *phba)
{
- int i;
-
- if (phba->cfg_fcp_io_sched == LPFC_FCP_SCHED_BY_CPU)
- i = smp_processor_id();
- else
- i = atomic_add_return(1, &phba->fcp_qidx);
+ struct lpfc_vector_map_info *cpup;
+ int chann, cpu;
- i = (i % phba->cfg_fcp_io_channel);
- return i;
+ if (phba->cfg_fcp_io_sched == LPFC_FCP_SCHED_BY_CPU) {
+ cpu = smp_processor_id();
+ if (cpu < phba->sli4_hba.num_present_cpu) {
+ cpup = phba->sli4_hba.cpu_map;
+ cpup += cpu;
+ return cpup->channel_id;
+ }
+ chann = cpu;
+ }
+ chann = atomic_add_return(1, &phba->fcp_qidx);
+ chann = (chann % phba->cfg_fcp_io_channel);
+ return chann;
}
/**